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Francis Clinton
Antenna-Theory.com Newbie
Joined: 14 Feb 2015
Posts: 1
Location: India
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 Posted: Sat Feb 14, 2015 1:52 pm Post subject: Frequency measurement and antenna selection |
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I am going to do a project on harvesting electrical energy from em waves emitted by electrical appliances. for this i have 2 doubts.
1. I want to know the frequency of the em waves emitted by the electrical appliances , whether they will be available online or i have to measure the frequency?
2.I found a paper related to this topic, in which they used helical antenna near the LCD TV and got an output of 28.66mW , whether will i get same output if i use an microstrip antenna?
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admin
Site Admin
Joined: 03 Jan 2007
Posts: 247
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| Posted: Wed Feb 18, 2015 7:26 pm Post subject: |
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| All appliances shipped in the US are specifically checked by the FCC to ensure that they have a minimum of "unintentional" radiated emission. You will not be able to harvest anything |
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Hilloril
Antenna-Theory.com Newbie
Joined: 15 Jul 2015
Posts: 1
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| Posted: Mon Jul 20, 2015 11:45 am Post subject: |
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| I like to make friends To talk about this. I think it's a good topic. |
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dbvanhorn
Antenna-Theory.com Newbie
Joined: 31 Jul 2015
Posts: 7
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| Posted: Tue Aug 04, 2015 3:34 pm Post subject: |
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You might get some useful energy from vibration.. 
I had some persistent sales engineers trying to sell me their energy harvesting chip for a military sensor device I was designing. The device drew 18W. They kept insisting that their few microwatts might give me a useful increase in battery life.
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